common/lcd.c: remove global lcd_base

lcd_base is available as gd->fb_base as well, there is no need
to keep a seperate copy.

For completeness the ack of Bo Shen is for the atmel part.
Cc: Alessandro Rubini <rubini@unipv.it>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Bo Shen <voice.shen@atmel.com>
Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stelian Pop <stelian@popies.net>
Cc: Tom Warren <twarren@nvidia.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
[agust: also fix cm_t35 board while rebasing]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c
index 82b19e5..c0f1830 100644
--- a/drivers/video/exynos_fb.c
+++ b/drivers/video/exynos_fb.c
@@ -33,7 +33,7 @@
 
 #include "exynos_fb.h"
 
-void *lcd_base;
+DECLARE_GLOBAL_DATA_PTR;
 
 static unsigned int panel_width, panel_height;
 
@@ -44,11 +44,9 @@
 
 	fb_size = vid->vl_row * vid->vl_col * (NBITS(vid->vl_bpix) >> 3);
 
-	lcd_base = lcdbase;
-
 	palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
 
-	exynos_fimd_lcd_init_mem((unsigned long)lcd_base,
+	exynos_fimd_lcd_init_mem((unsigned long)lcdbase,
 			(unsigned long)fb_size, palette_size);
 }
 
@@ -140,7 +138,7 @@
 void lcd_enable(void)
 {
 	if (panel_info.logo_on) {
-		memset(lcd_base, 0, panel_width * panel_height *
+		memset((void *) gd->fb_base, 0, panel_width * panel_height *
 				(NBITS(panel_info.vl_bpix) >> 3));
 #ifdef CONFIG_CMD_BMP
 		draw_logo();